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Topics - Yellow Truck

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31
FE Technical Forum / Setting the fuel pressure...
« on: June 11, 2016, 04:13:19 PM »
I know this is rather important, so I put some fuel in my baby today and pressurized my new system for the first time. Good news was there were no leaks, but the fuel pressure was acting oddly.

When I first turned on the pump it filled the carb (it is a QFT so it has the nice little windows - front one fuel was half way up the window, back one you can just see air at the top of the window). Initially the pressure ran up to between 6 and 7 PSI and I was pretty happy, but after checking for leaks I turned on the pump again, the gauge had shown pressure dropping to zero pretty quickly, but when the pump came on it shot up past 9 PSI, and it sat there. I turned it off and looked for the tools to adjust it, when I came back I tried it again, and it jumped to 9-10, then fell back to 6.

A few more tests and it is now consistently sitting above 9 PSI. I backed off the nut and backed out the screw as far as I dare, but the pressure is remaining up above 9 PSI.

What are the odds of a bad regulator vs a bad gauge? Is my process wrong (i.e. do I need to have the engine running to set the regulator?

32
FE Technical Forum / A small thing, but it is proving hard to find...
« on: June 07, 2016, 04:44:07 PM »
My power steering bracket has some vibration isolation grommets - steel around rubber with a split steel insert in the middle. I'm missing one and I'd like to replace it. I haven't been able to find a supplier here that even knows what they are. Any suggestions? Here is a picture of one that is still attached.


33
So I want to have an oil pressure gauge, oil pressure sending unit (I miss my idiot light), and an oil pressure cut off switch. Problem is space and using t-connectors is pretty kludgy - especially on the 4WD where the oil filter sticks out sideways. I've been told there is a manifold block or such that I can get that will allow three outputs from one input, but I am not having any success with my somewhat random google searches.

I'm sure someone in this group has wanted to do something similar - any suggestions as to the term I should be looking up?

34
FE Technical Forum / Fuel Question.
« on: June 03, 2016, 09:59:03 AM »
Where I live (Calgary Alberta) I have specific fuel options available for pump gas. It comes down to one regional chain (Husky/Mohawk) offers 94 octane with 10% ethanol, vs Shell offering their 91 octane with no ethanol.

I just got my engine in the truck last night and am hooking it up today, hope to start it this week so need to decide what to put in it. It is a 445 running about 10.5 to 1, BBM aluminum heads and a Prison Break stroker kit, with a Street Dominator intake and QFT SS 830.

I trust the experience on this forum, so the question is - lower octane/no ethanol vs higher octane/10% ethanol? I used to avoid Husky/Mohawk because with my old 410 the way the fuel was run the heat soak tended to cause vapour lock on Husky/Mohawk fuel but I've changed the routing and added a phenolic spacer (used an aluminum one previously that really passed the heat up to the carb).

35
FE Technical Forum / Question about the rear cam seal.
« on: May 30, 2016, 05:54:42 PM »
I had the engine mostly assembled when I realized the machinist had put the rear cam plug in backwards (concave rather than convex). To remove it I had to drive it out from one side and did a little damage to the chamfered lip. Being a rookie at this I have no idea what kind of pressures this seal will be exposed to, I realize it is right up at the end of the cam which will be spinning at 1/2 engine rpm, so there may be considerable local oil pressure.

My question - is the Motorcraft diesel silicone good enough or should I consider something else, such as epoxy to complete the seal? Do I need to worry about the new seal (I have the right part) going in too far and taking the endplay out of the cam?


36
FE Technical Forum / Pressure plate bolts - size question
« on: May 28, 2016, 12:52:55 PM »
I have a McLeod steel flywheel and ordered a McLeod Super Street Pro clutch to replace the no-name Chinese part that was on the truck previously.  There are two sizes of mounting holes on the flywheel, and the new pressure plate aligns to the larger holes, not the ones I was using to mount the old clutch. The ARP 5/16 inch bolts I have won't work and I'm having a hard time finding the correct part to order for the larger hole, and McLeod is closed today.

Anyone know? I also note that the flywheel has no holes for positioning dowels and neither the clutch or flywheel came with dowels. I am right in assuming they are not used in this application?

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